Review from a customer:
I have been in the market for a mid-sized porro prism for a few months. There aren't many models in the 8x30 range made today. I tried out the Leupold Yosemite 8x30 porro and the Celestron Nature 8x30 porro. I found both models unsatisfactory. I bought the 3rd model I tried- the Vortex Raptor 8.5x32. I am extremely happy with them- they are lightweight, have great optics and I love the feel of holding porros. The focusing knob is stiffer than my 8x32 Eagle Optic Ranger roofs, but the stiffness is in the acceptable range for me and perhaps will loosen in time.